<?php

use think\migration\Migrator;
use think\migration\db\Column;

class AlterCouponProductChannelEditDeleteAt extends Migrator
{
    public function up()
    {
        $this->table('coupon_product_channel')
            ->changeColumn("deleted_at","datetime",['null' => true,'comment'=>"删除时间"])
            ->update();
    }
    public function down()
    {

    }
}
